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وارد شوید

WAEC - Chemistry (2008 - No. 9)

Arrange the following elements in order of increasing electron affinity: Br2CI2
I 2
F 2
I 2CI2Br2F 2
I 2Br2CI2F 2
CI2 I 2Br2F 2
Br2CI2 I 2 F 2

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